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Tenmei
is a Japanese era name (年号, ''nengō'', literally "years name") for the years between the An'ei Era and before the Kansei Era, from April 1781 through January 1789. The reigning emperor was . Change of era * 1781 : The new era name of Tenmei (meaning "dawn") was created to mark the enthronement of Emperor Kōkaku. The previous era ended and the new one commenced on the second day of the fourth month in what had been An'ei 11. As is customary for choosing nengō, the name was selected from a passage in a historical Chinese text. In this case, the text was ''Classic of History'' (書経) (also quoted in ''The Great Learning'' (大學)), more specifically from the first of the King Tai Jia (大甲) chapters. It says: "先王顧諟天之明命..." meaning "The former king kept his eye continually on the bright requirements of Heaven, nd..." This is continued with a description of reverence, virtue, and prosperity for the lands. From this, the two characters 天 and 明 were se ...
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Tokugawa Ieharu
Tokugawa Ieharu (徳川家治) (June 20, 1737 – September 17, 1786) was the tenth ''shōgun'' of the Tokugawa shogunate of Japan, who held office from 1760 to 1786. His childhood name was Takechiyo (竹千代). Ieharu died in 1786 and given the Buddhist name Shunmyoin and buried at Kan'ei-ji. Family * Father: Tokugawa Ieshige * Mother: Oko no Kata (d. 1728) later Shinshin'in * Wife: Iso no Miya Tomoko (1738–1771) * Concubines: ** Omiyo no Kata ** Ochiho no Kata (1737–1791) later Renkoin ** Oshina no Kata (d. 1778) later Yoren-in * Child: ** Chiyohime (1756–1757) by Tomoko ** Manjuhime (1761–1773) (born by Tomoko but after she died adopted by Ieharu's concubine, Omaki no Kata) ** Tokugawa Takechiyo later Tokugawa Iemoto (1762–1779) born by Ochiho no Kata ** Tokugawa Teijiro (1762–1763) born by Oshina no Kata * Adopted: ** Tokugawa Ienari ** Tanehime (1765–1794), daughter of Tokugawa Munetake and married Tokugawa Harutomi of Kishū Domain Events of the Ieharu's ' ...
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Tenmei Eruption
The Tenmei eruption () was a large eruption of Mount Asama that occurred in 1783 (''Tenmei 3''). This eruption was one of the causes of the Tenmei famine. It is estimated that about 1,500–1,624 people were killed in the eruption. The event is known in Japanese as . Background Japan is situated along a zone of convergence between at least four major and minor tectonic plates. The Philippine Sea Plate dives beneath the Amurian Plate and Okinawa Plate along the Nankai Trough and Ryukyu Trench in southern Japan. In northern Japan, the Pacific Plate subducts beneath the Okhotsk Plate, part of the larger North American Plate, along the Japan and Kuril trenches. The subduction process is related to the production of volcanoes in Japan as the downgoing oceanic slab undergoes dehydration at depths of roughly 90 to 100 km beneath the overriding plate. Water in the structure of hydrated minerals interact with the upper mantle, lowering its melting point. As the mantle begins to melt, ...
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Tenmei Famine
The Great Tenmei famine (天明の大飢饉, ''Tenmei no daikikin'') was a famine which affected Japan during the Edo period. It is considered to have begun in 1782, and lasted until 1788. It was named after the Tenmei era (1781–1789), during the reign of Emperor Kōkaku. The ruling ''shoguns'' during the famine were Tokugawa Ieharu and Tokugawa Ienari. The famine was the deadliest one during the early modern period in Japan. Causes The 1783 eruption of Mount Asama is said to have caused the Great Tenmei famine. Starting in the 1770s, there was a sharp decline in crop yield in Tōhoku, which is the north-eastern region of Honshū, due to poor and cold weather, so food stocks in rural areas were exhausted. The situation was exacerbated by natural disasters: Mount Iwaki erupted on April 13, 1783 (3rd month, 12th day, in the year Tenmei-3, according to the Japanese calendar), as did Mount Asama on July 6, so volcanic ash was sent down into the atmosphere of Japan. Aside from the ...
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Mount Asama
is an active complex volcano in central Honshū, the main island of Japan. The volcano is the most active on Honshū. The Japan Meteorological Agency classifies Mount Asama as rank A. It stands above sea level on the border of Gunma and Nagano prefectures. It is included in ''100 Famous Japanese Mountains''. Geology Mount Asama sits at the conjunction of the Izu–Bonin–Mariana Arc and the Northeastern Japan Arc. The mountain is built up from non-alkali mafic and pyroclastic volcanic rocks dating from the Late Pleistocene to the Holocene. The main rock type is andesite and dacite. Scientists from the University of Tokyo and Nagoya University completed their first successful imaging experiment of the interior of the volcano in April 2007. By detecting sub-atomic particles called muons as they passed through the volcano after arriving from space, the scientists were able gradually to build up a picture of the interior, creating images of cavities through which lava was passin ...
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Kutsuki Masatsuna
, also known as Kutsuki Oki-no kami Minamoto-no Masatsuna, was a hereditary Japanese ''daimyō'' of Oki and Ōmi with holdings in Tanba and Fukuchiyama. His warrior clan was amongst the hereditary vassals of the Tokugawa family (the '' fudai'') in the Edo period. His childhood name was Tomojiro (斧次郎). Masatsuna was a polymath and a keen student of whatever information was available at that time concerning the West. Since most printed material was only available in the Dutch language, such studies were commonly called "Dutch learning" (''rangaku'').Fleming, William Book review: ''Secret Memoirs of the Shoguns: Isaac Titsingh and Japan, 1779–1822''" ''Southeast Review of Asian Studies'', Annual, 2006. Dutch Japanologist Isaac Titsingh considered Masatsuna to have been his closest friend while he was in Japan, and their correspondence continued after Titsingh last left Dejima for the last time. The oldest surviving letter from Masatsuna to Titsingh dates from 1789; and ...
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Tokugawa Ienari
Tokugawa Ienari ( ja, 徳川 家斉, November 18, 1773 – March 22, 1841) was the eleventh and longest-serving ''shōgun'' of the Tokugawa shogunate of Japan who held office from 1787 to 1837.Hall, John Whitney ''et al.'' (1991) ''Early Modern Japan'', p. 21./ref> He was a great-grandson of the eighth shōgun Tokugawa Yoshimune through his son Munetada (1721–1764), head of the Hitotsubashi branch of the family, and his grandson Harusada (1751–1827). Ienari died in 1841 and was given the Buddhist name Bunkyouin and buried at Kan'ei-ji. Events of Ienari's ''bakufu'' * 1787 (''Tenmei 7''): Ienari becomes the 11th ''shōgun'' of the bakufu government. * 1788 (''Tenmei 7''): Riots in rice shops in Edo and Osaka. * March 6 – 11, 1788 (''Tenmei 8, 29th day of the 1st month – 4th day of the second month''): Great Fire of Kyoto. A fire in the city, which begins at 3 o'clock in the morning of March 6 burns uncontrolled until the 1st day of the second month (March 8); and embers ...
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Tanuma Okitsugu
(September 11, 1719, in Edo, Japan – August 25, 1788, in Edo) was a chamberlain (''sobashū'') and a senior counselor (''rōjū'') to the ''shōgun'' Tokugawa Ieharu of the Tokugawa Shogunate, in the Edo period of Japan. Tanuma and his son exercised tremendous power, especially in the last 14 years of shogun Ieharu's reign.Hane, M. (2018). ''Premodern Japan: A historical survey''. Routledge. He is known for the economic reforms of the Tenmei era and rampant corruption. He was also a ''daimyō'' of the Sagara Domain. Tanuma used the title Tonomo-no-kami. Tanuma's reforms aimed to rectify the systemic problems in Japan's economy, particularly the trade imbalance between the provinces (''han'') and the shogunal areas (''tenryō'') of Japan. The previous shogun, Tokugawa Yoshimune, sought to rectify the shogunate's economic problems by frugality and a focus on agriculture. Instead, Tanuma debased currency, sold monopoly rights to dealers, and taxed merchant guilds. To stem ...
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Kansei
was a after ''Tenmei'' and before ''Kyōwa''. This period spanned the years from January 1789 through February 1801. The reigning emperor was . Change of era * 1789 : The new era name of '' Kansei'' (meaning "Tolerant Government" or "Broad-minded Government") was created to mark a number of calamities, including a devastating fire at the Imperial Palace. The previous era ended and a new one commenced in ''Tenmei'' 9, on the 25th day of the 1st month. Events of the Kansei era The broad panoply of changes and new initiatives of the Tokugawa shogunate during this era became known as the Kansei Reforms. Matsudaira Sadanobu (1759–1829) was named the shōgun's chief councilor (''rōjū'') in the summer of 1787; and early in the next year, he became the regent for the 11th shōgun, Tokugawa Ienari. As the chief administrative decision-maker in the ''bakufu'' hierarchy, he was in a position to effect radical change; and his initial actions represented an aggressive break with the re ...
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An'ei
was a after ''Meiwa'' and before ''Tenmei.'' This period spanned the years November 1772 through March 1781. The reigning emperors were and . Change of era * 1772 : The era name was changed to ''An'ei'' (meaning "peaceful eternity") to mark the enthronement of Emperor Go-Momozono and in hopes of turning attention from the serial catastrophic devastation from fires and storms in ''Meiwa'' 9. The previous era ended and a new one commenced in the 11th month of ''Meiwa'' 9. Events of the ''An'ei'' era * 1775 (''An'ei 4''): Epidemic diseases spread across the country – in Edo alone, an estimated 190,000 perished.Hall, John Whitney. (1955). ''Tanuma Okitsugu, 1719-1788: Forerunner of Modern Japan, '' p. 121. * 1775 (''An'ei 4''): Swedish physician and botanist Carl Peter Thunberg arrives at VOC outpost or "factory" in Nagasaki bay; and ultimately, his scientific activities will result in the first detailed, descriptive survey of the flora and fauna of the Japanese archipelago. ...
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Gunma
is a prefecture of Japan located in the Kantō region of Honshu. Gunma Prefecture has a population of 1,937,626 (1 October 2019) and has a geographic area of 6,362 km2 (2,456 sq mi). Gunma Prefecture borders Niigata Prefecture and Fukushima Prefecture to the north, Nagano Prefecture to the southwest, Saitama Prefecture to the south, and Tochigi Prefecture to the east. Maebashi is the capital and Takasaki is the largest city of Gunma Prefecture, with other major cities including Ōta, Isesaki, and Kiryū. Gunma Prefecture is one of only eight landlocked prefectures, located on the northwestern corner of the Kantō Plain with 14% of its total land being designated as natural parks. History The ancient province of Gunma was a center of horse breeding and trading activities for the newly immigrated continental peoples. The arrival of horses and the remains of horse tackle coincides with the arrival of a large migration from the mainland. From this point forward, the horse ...
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Japanese Era Name
The , also known as , is the first of the two elements that identify years in the Japanese era calendar scheme. The second element is a number which indicates the year number within the era (with the first year being ""), followed by the literal "" meaning "year". Era names originated in 140 BCE in China, during the reign of the Emperor Wu of Han. As elsewhere in East Asia, the use of era names was originally derived from Chinese imperial practice, although the Japanese system is independent of the Chinese, Korean, and Vietnamese era-naming systems. Unlike these other similar systems, Japanese era names are still in use. Government offices usually require era names and years for official papers. The five era names used since the end of the Edo period in 1868 can be abbreviated by taking the first letter of their romanized names. For example, S55 means Shōwa 55 (i.e. 1980), and H22 stands for Heisei 22 (2010). At 62 years and 2 weeks, Shōwa is the longest era to date. The c ...
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Osaka
is a designated city in the Kansai region of Honshu in Japan. It is the capital of and most populous city in Osaka Prefecture, and the third most populous city in Japan, following Special wards of Tokyo and Yokohama. With a population of 2.7 million in the 2020 census, it is also the largest component of the Keihanshin Metropolitan Area, which is the second-largest metropolitan area in Japan and the 10th largest urban area in the world with more than 19 million inhabitants. Osaka was traditionally considered Japan's economic hub. By the Kofun period (300–538) it had developed into an important regional port, and in the 7th and 8th centuries, it served briefly as the imperial capital. Osaka continued to flourish during the Edo period (1603–1867) and became known as a center of Japanese culture. Following the Meiji Restoration, Osaka greatly expanded in size and underwent rapid industrialization. In 1889, Osaka was officially established as a municipality. The construc ...
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